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← ScienceWhich outcome results when elevated temperature affects a protein?
A)Molecular denaturation causing activity loss✓
B)Increased substrate binding affinity
C)Enhanced catalytic reaction turnover
D)Stabilization of quaternary protein structure
💡 Explanation
Heating proteins increases molecular motion, therefore thermal energy exceeds the stabilizing forces and denaturation unfolds the protein; because the specific 3D structure is lost which therefore impairs enzymatic activity rather than retaining it, because denaturation is more likely at higher temperatures.
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